Akụkụ na-emepe emepe nke onye nbibi bụ otu n'ime akụkụ onyonyo nke ihe nbibi gụnyere onye na-ebu ya. Mgbakọ na-emepe emepe nwere ọnụ ụlọ na-emepe emepe, onye na-emepụta ihe na-emepe emepe, onye na-emepụta ihe na-emepe emepe magnetik, onye mmepụta ihe, mkpanaka mkpara, wdg.